{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111672",
    "entityType": "User",
    "nonce": "0x062e76d4cddac2ce96b63e87ae426716aaef95f9aa65fda5d27ad6a2c3d98309",
    "signature": "0x620a4f0583411a2fd6da1df7cd035a292290082e308a5006fcce014c323880c146735c6d64ba41f47fbd2c1cac2be03ffe780ef49d16d48e033c9b1486e3bcc81b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}